Central Taxonomic Thesaurus
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  Animalia
      Annelida
            Polychaeta
                   [Lysareunicidae]
              Scolecida
                            Orbiniidae
                                     Berkeleya
                                             Berkeleya hyalina
                                             Berkeleya profunda
                                             Berkeleya rutilans
                                     Califia
                                             Califia calida
                                             Califia candida
                                             Califia schmitti
                                     Haploscoloplos
                                             Haploscoloplos acutus
                                             Haploscoloplos cylindrifer
                                                   [Scoloplos cylindrifer]
                                             Haploscoloplos elongatus
                                                   [Leitoscoloplos elongatus]
                                                   [Scoloplos elongata]
                                             Haploscoloplos foliosus
                                                   [Scoloplos foliosus]
                                             Haploscoloplos fragilis
                                             Haploscoloplos kerguelensis
                                             Haploscoloplos panamensis
                                                   [Leitoscoloplos panamensis]
                                             Haploscoloplos robustus
                                     Leitoscoloplos
                                             Leitoscoloplos foliosus
                                             Leitoscoloplos fragilis
                                               Leitoscoloplos fragilis fragilis
                                               Leitoscoloplos fragilis intermedius
                                             Leitoscoloplos kerguelensis
                                             Leitoscoloplos mammosus
                                             Leitoscoloplos pugettensis
                                     Microrbinia
                                           [Microbinia]
                                             Microrbinia linea
                                                   [Microbinia linea]
                                     Naineris
                                             Naineris bicornis
                                               Naineris bicornis bicornis
                                               Naineris bicornis minuta
                                             Naineris dendritica
                                             Naineris grubei
                                             Naineris laevigata
                                             Naineris nannobranchia
                                             Naineris quadricuspida
                                                   [Nais quadricuspida]
                                             Naineris setosa
                                             Naineris uncinata
                                     Orbinia
                                             Orbinia americana
                                             Orbinia armandi
                                             Orbinia cuvierii
                                                   [Aricia cuvierii]
                                             Orbinia felix
                                             Orbinia foetida
                                             Orbinia grubei
                                             Orbinia johnsoni
                                             Orbinia kupferi
                                             Orbinia latreillii
                                                   [Aricia latreillii]
                                             Orbinia michaelseni
                                             Orbinia norvegica
                                             Orbinia ornata
                                             Orbinia riseri
                                                   [Scoloplos riseri]
                                             Orbinia sertulata
                                             Orbinia swani
                                     Orbiniella
                                             Orbiniella nuda
                                     Phylo
                                             Phylo felix
                                             Phylo kupferi
                                             Phylo norvegicus
                                             Phylo nudus
                                             Phylo ornatus
                                     Proscoloplos
                                             Proscoloplos cygnochaetus
                                     Protoaricia
                                             Protoaricia oerstedii
                                     Protoariciella
                                             Protoariciella uncinata
                                     Schroederella
                                             Schroederella fuscopicea
                                             Schroederella iners
                                                   [Helomyza iners]
                                             Schroederella luteoala
                                                   [Amoebaleria luteoala]
                                             Schroederella pauliana
                                     Scoloplella
                                             Scoloplella capensis
                                     Scoloplos
                                             Scoloplos acmeceps
                                               Scoloplos acmeceps acmeceps
                                               Scoloplos acmeceps profundus
                                             Scoloplos acutus
                                                   [Leitoscoloplos acutus]
                                             Scoloplos affinis
                                             Scoloplos armiger
                                             Scoloplos capensis
                                                   [Scolaricia capensis]
                                             Scoloplos fragilis
                                             Scoloplos pugettensis
                                                   [Haploscoloplos pugettensis]
                                             Scoloplos robustus
                                                   [Leitoscoloplos robustus]
                                             Scoloplos rubra
                                             Scoloplos schmitti
                                             Scoloplos texana
                                             Scoloplos treadwelli